215909988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1557

約数の個数: 96

約数和(自身を含む): 605794560

約数和(自身を除く): 389884572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 61, 84, 87, 116, 122, 174, 183, 203, 244, 348, 366, 406, 427, 609, 732, 812, 854, 1218, 1281, 1453, 1708, 1769, 2436, 2562, 2906, 3538, 4359, 5124, 5307, 5812, 7076, 8718, 10171, 10614, 12383, 17436, 20342, 21228, 24766, 30513, 37149, 40684, 42137, 49532, 61026, 74298, 84274, 88633, 122052, 126411, 148596, 168548, 177266, 252822, 265899, 294959, 354532, 505644, 531798, 589918, 620431, 884877, 1063596, 1179836, 1240862, 1769754, 1861293, 2481724, 2570357, 3539508, 3722586, 5140714, 7445172, 7711071, 10281428, 15422142, 17992499, 30844284, 35984998, 53977497, 71969996, 107954994, 215909988]

約数ペア:

[(1, 215909988), (2, 107954994), (3, 71969996), (4, 53977497), (6, 35984998), (7, 30844284), (12, 17992499), (14, 15422142), (21, 10281428), (28, 7711071), (29, 7445172), (42, 5140714), (58, 3722586), (61, 3539508), (84, 2570357), (87, 2481724), (116, 1861293), (122, 1769754), (174, 1240862), (183, 1179836), (203, 1063596), (244, 884877), (348, 620431), (366, 589918), (406, 531798), (427, 505644), (609, 354532), (732, 294959), (812, 265899), (854, 252822), (1218, 177266), (1281, 168548), (1453, 148596), (1708, 126411), (1769, 122052), (2436, 88633), (2562, 84274), (2906, 74298), (3538, 61026), (4359, 49532), (5124, 42137), (5307, 40684), (5812, 37149), (7076, 30513), (8718, 24766), (10171, 21228), (10614, 20342), (12383, 17436)]