31558930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 65028096

約数和(自身を除く): 33469166

約数列:

[1, 2, 5, 10, 13, 26, 31, 41, 62, 65, 82, 130, 155, 191, 205, 310, 382, 403, 410, 533, 806, 955, 1066, 1271, 1910, 2015, 2483, 2542, 2665, 4030, 4966, 5330, 5921, 6355, 7831, 11842, 12415, 12710, 15662, 16523, 24830, 29605, 33046, 39155, 59210, 76973, 78310, 82615, 101803, 153946, 165230, 203606, 242761, 384865, 485522, 509015, 769730, 1018030, 1213805, 2427610, 3155893, 6311786, 15779465, 31558930]

約数ペア:

[(1, 31558930), (2, 15779465), (5, 6311786), (10, 3155893), (13, 2427610), (26, 1213805), (31, 1018030), (41, 769730), (62, 509015), (65, 485522), (82, 384865), (130, 242761), (155, 203606), (191, 165230), (205, 153946), (310, 101803), (382, 82615), (403, 78310), (410, 76973), (533, 59210), (806, 39155), (955, 33046), (1066, 29605), (1271, 24830), (1910, 16523), (2015, 15662), (2483, 12710), (2542, 12415), (2665, 11842), (4030, 7831), (4966, 6355), (5330, 5921)]