644980596

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{853}}^1$

素因数の和:1041

約数の個数: 96

約数和(自身を含む): 1679196288

約数和(自身を除く): 1034215692

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 131, 148, 156, 222, 262, 393, 444, 481, 524, 786, 853, 962, 1443, 1572, 1703, 1706, 1924, 2559, 2886, 3406, 3412, 4847, 5109, 5118, 5772, 6812, 9694, 10218, 10236, 11089, 14541, 19388, 20436, 22178, 29082, 31561, 33267, 44356, 58164, 63011, 63122, 66534, 94683, 111743, 126022, 126244, 133068, 189033, 189366, 223486, 252044, 335229, 378066, 378732, 410293, 446972, 670458, 756132, 820586, 1230879, 1340916, 1452659, 1641172, 2461758, 2905318, 4134491, 4357977, 4923516, 5810636, 8268982, 8715954, 12403473, 16537964, 17431908, 24806946, 49613892, 53748383, 107496766, 161245149, 214993532, 322490298, 644980596]

約数ペア:

[(1, 644980596), (2, 322490298), (3, 214993532), (4, 161245149), (6, 107496766), (12, 53748383), (13, 49613892), (26, 24806946), (37, 17431908), (39, 16537964), (52, 12403473), (74, 8715954), (78, 8268982), (111, 5810636), (131, 4923516), (148, 4357977), (156, 4134491), (222, 2905318), (262, 2461758), (393, 1641172), (444, 1452659), (481, 1340916), (524, 1230879), (786, 820586), (853, 756132), (962, 670458), (1443, 446972), (1572, 410293), (1703, 378732), (1706, 378066), (1924, 335229), (2559, 252044), (2886, 223486), (3406, 189366), (3412, 189033), (4847, 133068), (5109, 126244), (5118, 126022), (5772, 111743), (6812, 94683), (9694, 66534), (10218, 63122), (10236, 63011), (11089, 58164), (14541, 44356), (19388, 33267), (20436, 31561), (22178, 29082)]