217353648

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 600913920

約数和(自身を除く): 383560272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 43, 48, 62, 79, 86, 93, 124, 129, 158, 172, 186, 237, 248, 258, 316, 344, 372, 474, 496, 516, 632, 688, 744, 948, 1032, 1264, 1333, 1488, 1849, 1896, 2064, 2449, 2666, 3397, 3698, 3792, 3999, 4898, 5332, 5547, 6794, 7347, 7396, 7998, 9796, 10191, 10664, 11094, 13588, 14694, 14792, 15996, 19592, 20382, 21328, 22188, 27176, 29388, 29584, 31992, 39184, 40764, 44376, 54352, 57319, 58776, 63984, 81528, 88752, 105307, 114638, 117552, 146071, 163056, 171957, 210614, 229276, 292142, 315921, 343914, 421228, 438213, 458552, 584284, 631842, 687828, 842456, 876426, 917104, 1168568, 1263684, 1375656, 1684912, 1752852, 2337136, 2527368, 2751312, 3505704, 4528201, 5054736, 7011408, 9056402, 13584603, 18112804, 27169206, 36225608, 54338412, 72451216, 108676824, 217353648]

約数ペア:

[(1, 217353648), (2, 108676824), (3, 72451216), (4, 54338412), (6, 36225608), (8, 27169206), (12, 18112804), (16, 13584603), (24, 9056402), (31, 7011408), (43, 5054736), (48, 4528201), (62, 3505704), (79, 2751312), (86, 2527368), (93, 2337136), (124, 1752852), (129, 1684912), (158, 1375656), (172, 1263684), (186, 1168568), (237, 917104), (248, 876426), (258, 842456), (316, 687828), (344, 631842), (372, 584284), (474, 458552), (496, 438213), (516, 421228), (632, 343914), (688, 315921), (744, 292142), (948, 229276), (1032, 210614), (1264, 171957), (1333, 163056), (1488, 146071), (1849, 117552), (1896, 114638), (2064, 105307), (2449, 88752), (2666, 81528), (3397, 63984), (3698, 58776), (3792, 57319), (3999, 54352), (4898, 44376), (5332, 40764), (5547, 39184), (6794, 31992), (7347, 29584), (7396, 29388), (7998, 27176), (9796, 22188), (10191, 21328), (10664, 20382), (11094, 19592), (13588, 15996), (14694, 14792)]