311942358

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1213}}^1$

素因数の和:1398

約数の個数: 96

約数和(自身を含む): 837834816

約数和(自身を除く): 525892458

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 157, 182, 234, 273, 314, 471, 546, 819, 942, 1099, 1213, 1413, 1638, 2041, 2198, 2426, 2826, 3297, 3639, 4082, 6123, 6594, 7278, 8491, 9891, 10917, 12246, 14287, 15769, 16982, 18369, 19782, 21834, 25473, 28574, 31538, 36738, 42861, 47307, 50946, 76419, 85722, 94614, 110383, 128583, 141921, 152838, 190441, 220766, 257166, 283842, 331149, 380882, 571323, 662298, 993447, 1142646, 1333087, 1713969, 1986894, 2475733, 2666174, 3427938, 3999261, 4951466, 7427199, 7998522, 11997783, 14854398, 17330131, 22281597, 23995566, 34660262, 44563194, 51990393, 103980786, 155971179, 311942358]

約数ペア:

[(1, 311942358), (2, 155971179), (3, 103980786), (6, 51990393), (7, 44563194), (9, 34660262), (13, 23995566), (14, 22281597), (18, 17330131), (21, 14854398), (26, 11997783), (39, 7998522), (42, 7427199), (63, 4951466), (78, 3999261), (91, 3427938), (117, 2666174), (126, 2475733), (157, 1986894), (182, 1713969), (234, 1333087), (273, 1142646), (314, 993447), (471, 662298), (546, 571323), (819, 380882), (942, 331149), (1099, 283842), (1213, 257166), (1413, 220766), (1638, 190441), (2041, 152838), (2198, 141921), (2426, 128583), (2826, 110383), (3297, 94614), (3639, 85722), (4082, 76419), (6123, 50946), (6594, 47307), (7278, 42861), (8491, 36738), (9891, 31538), (10917, 28574), (12246, 25473), (14287, 21834), (15769, 19782), (16982, 18369)]