71055972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 208528320

約数和(自身を除く): 137472348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 61, 76, 78, 114, 117, 122, 131, 156, 171, 183, 228, 234, 244, 247, 262, 342, 366, 393, 468, 494, 524, 549, 684, 732, 741, 786, 793, 988, 1098, 1159, 1179, 1482, 1572, 1586, 1703, 2196, 2223, 2318, 2358, 2379, 2489, 2964, 3172, 3406, 3477, 4446, 4636, 4716, 4758, 4978, 5109, 6812, 6954, 7137, 7467, 7991, 8892, 9516, 9956, 10218, 10431, 13908, 14274, 14934, 15067, 15327, 15982, 20436, 20862, 22401, 23973, 28548, 29868, 30134, 30654, 31964, 32357, 41724, 44802, 45201, 47946, 60268, 61308, 64714, 71919, 89604, 90402, 95892, 97071, 103883, 129428, 135603, 143838, 151829, 180804, 194142, 207766, 271206, 287676, 291213, 303658, 311649, 388284, 415532, 455487, 542412, 582426, 607316, 623298, 910974, 934947, 1164852, 1246596, 1366461, 1821948, 1869894, 1973777, 2732922, 3739788, 3947554, 5465844, 5921331, 7895108, 11842662, 17763993, 23685324, 35527986, 71055972]

約数ペア:

[(1, 71055972), (2, 35527986), (3, 23685324), (4, 17763993), (6, 11842662), (9, 7895108), (12, 5921331), (13, 5465844), (18, 3947554), (19, 3739788), (26, 2732922), (36, 1973777), (38, 1869894), (39, 1821948), (52, 1366461), (57, 1246596), (61, 1164852), (76, 934947), (78, 910974), (114, 623298), (117, 607316), (122, 582426), (131, 542412), (156, 455487), (171, 415532), (183, 388284), (228, 311649), (234, 303658), (244, 291213), (247, 287676), (262, 271206), (342, 207766), (366, 194142), (393, 180804), (468, 151829), (494, 143838), (524, 135603), (549, 129428), (684, 103883), (732, 97071), (741, 95892), (786, 90402), (793, 89604), (988, 71919), (1098, 64714), (1159, 61308), (1179, 60268), (1482, 47946), (1572, 45201), (1586, 44802), (1703, 41724), (2196, 32357), (2223, 31964), (2318, 30654), (2358, 30134), (2379, 29868), (2489, 28548), (2964, 23973), (3172, 22401), (3406, 20862), (3477, 20436), (4446, 15982), (4636, 15327), (4716, 15067), (4758, 14934), (4978, 14274), (5109, 13908), (6812, 10431), (6954, 10218), (7137, 9956), (7467, 9516), (7991, 8892)]