1221948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 3811808

約数和(自身を除く): 2589860

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 373, 468, 546, 746, 819, 1092, 1119, 1492, 1638, 2238, 2611, 3276, 3357, 4476, 4849, 5222, 6714, 7833, 9698, 10444, 13428, 14547, 15666, 19396, 23499, 29094, 31332, 33943, 43641, 46998, 58188, 67886, 87282, 93996, 101829, 135772, 174564, 203658, 305487, 407316, 610974, 1221948]

約数ペア:

[(1, 1221948), (2, 610974), (3, 407316), (4, 305487), (6, 203658), (7, 174564), (9, 135772), (12, 101829), (13, 93996), (14, 87282), (18, 67886), (21, 58188), (26, 46998), (28, 43641), (36, 33943), (39, 31332), (42, 29094), (52, 23499), (63, 19396), (78, 15666), (84, 14547), (91, 13428), (117, 10444), (126, 9698), (156, 7833), (182, 6714), (234, 5222), (252, 4849), (273, 4476), (364, 3357), (373, 3276), (468, 2611), (546, 2238), (746, 1638), (819, 1492), (1092, 1119)]