215255196

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 622771968

約数和(自身を除く): 407516772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 37, 39, 52, 62, 74, 78, 93, 111, 117, 124, 148, 156, 186, 222, 234, 279, 333, 372, 401, 403, 444, 468, 481, 558, 666, 802, 806, 962, 1116, 1147, 1203, 1209, 1332, 1443, 1604, 1612, 1924, 2294, 2406, 2418, 2886, 3441, 3609, 3627, 4329, 4588, 4812, 4836, 5213, 5772, 6882, 7218, 7254, 8658, 10323, 10426, 12431, 13764, 14436, 14508, 14837, 14911, 15639, 17316, 20646, 20852, 24862, 29674, 29822, 31278, 37293, 41292, 44511, 44733, 46917, 49724, 59348, 59644, 62556, 74586, 89022, 89466, 93834, 111879, 133533, 134199, 149172, 161603, 178044, 178932, 187668, 192881, 223758, 267066, 268398, 323206, 385762, 447516, 459947, 484809, 534132, 536796, 578643, 646412, 771524, 919894, 969618, 1157286, 1379841, 1454427, 1735929, 1839788, 1939236, 2314572, 2759682, 2908854, 3471858, 4139523, 5519364, 5817708, 5979311, 6943716, 8279046, 11958622, 16558092, 17937933, 23917244, 35875866, 53813799, 71751732, 107627598, 215255196]

約数ペア:

[(1, 215255196), (2, 107627598), (3, 71751732), (4, 53813799), (6, 35875866), (9, 23917244), (12, 17937933), (13, 16558092), (18, 11958622), (26, 8279046), (31, 6943716), (36, 5979311), (37, 5817708), (39, 5519364), (52, 4139523), (62, 3471858), (74, 2908854), (78, 2759682), (93, 2314572), (111, 1939236), (117, 1839788), (124, 1735929), (148, 1454427), (156, 1379841), (186, 1157286), (222, 969618), (234, 919894), (279, 771524), (333, 646412), (372, 578643), (401, 536796), (403, 534132), (444, 484809), (468, 459947), (481, 447516), (558, 385762), (666, 323206), (802, 268398), (806, 267066), (962, 223758), (1116, 192881), (1147, 187668), (1203, 178932), (1209, 178044), (1332, 161603), (1443, 149172), (1604, 134199), (1612, 133533), (1924, 111879), (2294, 93834), (2406, 89466), (2418, 89022), (2886, 74586), (3441, 62556), (3609, 59644), (3627, 59348), (4329, 49724), (4588, 46917), (4812, 44733), (4836, 44511), (5213, 41292), (5772, 37293), (6882, 31278), (7218, 29822), (7254, 29674), (8658, 24862), (10323, 20852), (10426, 20646), (12431, 17316), (13764, 15639), (14436, 14911), (14508, 14837)]