311907492

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21499}}^1$

素因数の和:21553

約数の個数: 72

約数和(自身を含む): 876512000

約数和(自身を除く): 564604508

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 21499, 42998, 64497, 85996, 128994, 193491, 257988, 279487, 386982, 558974, 666469, 773964, 838461, 1117948, 1332938, 1676922, 1999407, 2515383, 2665876, 3353844, 3998814, 5030766, 5998221, 7997628, 8664097, 10061532, 11996442, 17328194, 23992884, 25992291, 34656388, 51984582, 77976873, 103969164, 155953746, 311907492]

約数ペア:

[(1, 311907492), (2, 155953746), (3, 103969164), (4, 77976873), (6, 51984582), (9, 34656388), (12, 25992291), (13, 23992884), (18, 17328194), (26, 11996442), (31, 10061532), (36, 8664097), (39, 7997628), (52, 5998221), (62, 5030766), (78, 3998814), (93, 3353844), (117, 2665876), (124, 2515383), (156, 1999407), (186, 1676922), (234, 1332938), (279, 1117948), (372, 838461), (403, 773964), (468, 666469), (558, 558974), (806, 386982), (1116, 279487), (1209, 257988), (1612, 193491), (2418, 128994), (3627, 85996), (4836, 64497), (7254, 42998), (14508, 21499)]