1778906775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 3238507008

約数和(自身を除く): 1459600233

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 71, 75, 85, 129, 213, 215, 255, 355, 425, 457, 645, 731, 1065, 1075, 1207, 1275, 1371, 1775, 2193, 2285, 3053, 3225, 3621, 3655, 5325, 6035, 6855, 7769, 9159, 10965, 11425, 15265, 18105, 18275, 19651, 23307, 30175, 32447, 34275, 38845, 45795, 51901, 54825, 58953, 76325, 90525, 97341, 98255, 116535, 155703, 162235, 194225, 228975, 259505, 294765, 334067, 486705, 491275, 551599, 582675, 778515, 811175, 1002201, 1297525, 1395221, 1473825, 1654797, 1670335, 2433525, 2757995, 3892575, 4185663, 5011005, 6976105, 8273985, 8351675, 13789975, 20928315, 23718757, 25055025, 34880525, 41369925, 71156271, 104641575, 118593785, 355781355, 592968925, 1778906775]

約数ペア:

[(1, 1778906775), (3, 592968925), (5, 355781355), (15, 118593785), (17, 104641575), (25, 71156271), (43, 41369925), (51, 34880525), (71, 25055025), (75, 23718757), (85, 20928315), (129, 13789975), (213, 8351675), (215, 8273985), (255, 6976105), (355, 5011005), (425, 4185663), (457, 3892575), (645, 2757995), (731, 2433525), (1065, 1670335), (1075, 1654797), (1207, 1473825), (1275, 1395221), (1371, 1297525), (1775, 1002201), (2193, 811175), (2285, 778515), (3053, 582675), (3225, 551599), (3621, 491275), (3655, 486705), (5325, 334067), (6035, 294765), (6855, 259505), (7769, 228975), (9159, 194225), (10965, 162235), (11425, 155703), (15265, 116535), (18105, 98255), (18275, 97341), (19651, 90525), (23307, 76325), (30175, 58953), (32447, 54825), (34275, 51901), (38845, 45795)]