2991409802648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1\times {\mathrm{147331}}^1$

素因数の和:147557

約数の個数: 96

約数和(自身を含む): 6144628392000

約数和(自身を除く): 3153218589352

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 139, 152, 248, 278, 556, 589, 961, 1112, 1178, 1922, 2356, 2641, 3844, 4309, 4712, 5282, 7688, 8618, 10564, 17236, 18259, 21128, 34472, 36518, 73036, 81871, 133579, 146072, 147331, 163742, 267158, 294662, 327484, 534316, 589324, 654968, 1068632, 1178648, 2538001, 2799289, 4567261, 5076002, 5598578, 9134522, 10152004, 11197156, 18269044, 20304008, 20479009, 22394312, 36538088, 40958018, 81916036, 86777959, 141585091, 163832072, 173555918, 283170182, 347111836, 389101171, 566340364, 634849279, 694223672, 778202342, 1132680728, 1269698558, 1556404684, 2539397116, 2690116729, 3112809368, 5078794232, 5380233458, 10760466916, 12062136301, 19680327649, 21520933832, 24124272602, 39360655298, 48248545204, 78721310596, 96497090408, 157442621192, 373926225331, 747852450662, 1495704901324, 2991409802648]

約数ペア:

[(1, 2991409802648), (2, 1495704901324), (4, 747852450662), (8, 373926225331), (19, 157442621192), (31, 96497090408), (38, 78721310596), (62, 48248545204), (76, 39360655298), (124, 24124272602), (139, 21520933832), (152, 19680327649), (248, 12062136301), (278, 10760466916), (556, 5380233458), (589, 5078794232), (961, 3112809368), (1112, 2690116729), (1178, 2539397116), (1922, 1556404684), (2356, 1269698558), (2641, 1132680728), (3844, 778202342), (4309, 694223672), (4712, 634849279), (5282, 566340364), (7688, 389101171), (8618, 347111836), (10564, 283170182), (17236, 173555918), (18259, 163832072), (21128, 141585091), (34472, 86777959), (36518, 81916036), (73036, 40958018), (81871, 36538088), (133579, 22394312), (146072, 20479009), (147331, 20304008), (163742, 18269044), (267158, 11197156), (294662, 10152004), (327484, 9134522), (534316, 5598578), (589324, 5076002), (654968, 4567261), (1068632, 2799289), (1178648, 2538001)]