31947916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 76769280

約数和(自身を除く): 44821364

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 79, 91, 101, 143, 154, 158, 182, 202, 286, 308, 316, 364, 404, 553, 572, 707, 869, 1001, 1027, 1106, 1111, 1313, 1414, 1738, 2002, 2054, 2212, 2222, 2626, 2828, 3476, 4004, 4108, 4444, 5252, 6083, 7189, 7777, 7979, 9191, 11297, 12166, 14378, 14443, 15554, 15958, 18382, 22594, 24332, 28756, 28886, 31108, 31916, 36764, 45188, 55853, 57772, 79079, 87769, 101101, 103727, 111706, 158158, 175538, 202202, 207454, 223412, 316316, 351076, 404404, 414908, 614383, 726089, 1140997, 1228766, 1452178, 2281994, 2457532, 2904356, 4563988, 7986979, 15973958, 31947916]

約数ペア:

[(1, 31947916), (2, 15973958), (4, 7986979), (7, 4563988), (11, 2904356), (13, 2457532), (14, 2281994), (22, 1452178), (26, 1228766), (28, 1140997), (44, 726089), (52, 614383), (77, 414908), (79, 404404), (91, 351076), (101, 316316), (143, 223412), (154, 207454), (158, 202202), (182, 175538), (202, 158158), (286, 111706), (308, 103727), (316, 101101), (364, 87769), (404, 79079), (553, 57772), (572, 55853), (707, 45188), (869, 36764), (1001, 31916), (1027, 31108), (1106, 28886), (1111, 28756), (1313, 24332), (1414, 22594), (1738, 18382), (2002, 15958), (2054, 15554), (2212, 14443), (2222, 14378), (2626, 12166), (2828, 11297), (3476, 9191), (4004, 7979), (4108, 7777), (4444, 7189), (5252, 6083)]