1327919216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 2826485760

約数和(自身を除く): 1498566544

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 211, 316, 383, 422, 632, 766, 844, 1027, 1264, 1532, 1688, 2054, 2743, 3064, 3376, 4108, 4979, 5486, 6128, 8216, 9958, 10972, 16432, 16669, 19916, 21944, 30257, 33338, 39832, 43888, 60514, 66676, 79664, 80813, 121028, 133352, 161626, 216697, 242056, 266704, 323252, 393341, 433394, 484112, 646504, 786682, 866788, 1050569, 1293008, 1573364, 1733576, 2101138, 3146728, 3467152, 4202276, 6293456, 6384227, 8404552, 12768454, 16809104, 25536908, 51073816, 82994951, 102147632, 165989902, 331979804, 663959608, 1327919216]

約数ペア:

[(1, 1327919216), (2, 663959608), (4, 331979804), (8, 165989902), (13, 102147632), (16, 82994951), (26, 51073816), (52, 25536908), (79, 16809104), (104, 12768454), (158, 8404552), (208, 6384227), (211, 6293456), (316, 4202276), (383, 3467152), (422, 3146728), (632, 2101138), (766, 1733576), (844, 1573364), (1027, 1293008), (1264, 1050569), (1532, 866788), (1688, 786682), (2054, 646504), (2743, 484112), (3064, 433394), (3376, 393341), (4108, 323252), (4979, 266704), (5486, 242056), (6128, 216697), (8216, 161626), (9958, 133352), (10972, 121028), (16432, 80813), (16669, 79664), (19916, 66676), (21944, 60514), (30257, 43888), (33338, 39832)]