797156620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{683}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 1832788944

約数和(自身を除く): 1035632324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 683, 871, 1340, 1366, 1742, 2732, 3415, 3484, 4355, 4489, 6830, 8710, 8879, 8978, 13660, 17420, 17758, 17956, 22445, 35516, 44395, 44890, 45761, 58357, 88790, 89780, 91522, 116714, 177580, 183044, 228805, 233428, 291785, 457610, 583570, 594893, 915220, 1167140, 1189786, 2379572, 2974465, 3065987, 5948930, 6131974, 11897860, 12263948, 15329935, 30659870, 39857831, 61319740, 79715662, 159431324, 199289155, 398578310, 797156620]

約数ペア:

[(1, 797156620), (2, 398578310), (4, 199289155), (5, 159431324), (10, 79715662), (13, 61319740), (20, 39857831), (26, 30659870), (52, 15329935), (65, 12263948), (67, 11897860), (130, 6131974), (134, 5948930), (260, 3065987), (268, 2974465), (335, 2379572), (670, 1189786), (683, 1167140), (871, 915220), (1340, 594893), (1366, 583570), (1742, 457610), (2732, 291785), (3415, 233428), (3484, 228805), (4355, 183044), (4489, 177580), (6830, 116714), (8710, 91522), (8879, 89780), (8978, 88790), (13660, 58357), (17420, 45761), (17758, 44890), (17956, 44395), (22445, 35516)]