16401973364

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{390263}}^1$

素因数の和:390372

約数の個数: 48

約数和(自身を含む): 34967654400

約数和(自身を除く): 18565681036

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 532, 553, 1106, 1501, 2212, 3002, 6004, 10507, 21014, 42028, 390263, 780526, 1561052, 2731841, 5463682, 7414997, 10927364, 14829994, 29659988, 30830777, 51904979, 61661554, 103809958, 123323108, 207619916, 215815439, 431630878, 585784763, 863261756, 1171569526, 2343139052, 4100493341, 8200986682, 16401973364]

約数ペア:

[(1, 16401973364), (2, 8200986682), (4, 4100493341), (7, 2343139052), (14, 1171569526), (19, 863261756), (28, 585784763), (38, 431630878), (76, 215815439), (79, 207619916), (133, 123323108), (158, 103809958), (266, 61661554), (316, 51904979), (532, 30830777), (553, 29659988), (1106, 14829994), (1501, 10927364), (2212, 7414997), (3002, 5463682), (6004, 2731841), (10507, 1561052), (21014, 780526), (42028, 390263)]