27987916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 59415552

約数和(自身を除く): 31427636

約数列:

[1, 2, 4, 11, 17, 22, 31, 34, 44, 62, 68, 71, 124, 142, 187, 284, 289, 341, 374, 527, 578, 682, 748, 781, 1054, 1156, 1207, 1364, 1562, 2108, 2201, 2414, 3124, 3179, 4402, 4828, 5797, 6358, 8804, 8959, 11594, 12716, 13277, 17918, 20519, 23188, 24211, 26554, 35836, 37417, 41038, 48422, 53108, 74834, 82076, 96844, 98549, 149668, 197098, 225709, 394196, 411587, 451418, 636089, 823174, 902836, 1272178, 1646348, 2544356, 6996979, 13993958, 27987916]

約数ペア:

[(1, 27987916), (2, 13993958), (4, 6996979), (11, 2544356), (17, 1646348), (22, 1272178), (31, 902836), (34, 823174), (44, 636089), (62, 451418), (68, 411587), (71, 394196), (124, 225709), (142, 197098), (187, 149668), (284, 98549), (289, 96844), (341, 82076), (374, 74834), (527, 53108), (578, 48422), (682, 41038), (748, 37417), (781, 35836), (1054, 26554), (1156, 24211), (1207, 23188), (1364, 20519), (1562, 17918), (2108, 13277), (2201, 12716), (2414, 11594), (3124, 8959), (3179, 8804), (4402, 6358), (4828, 5797)]