1639779932

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:411

約数の個数: 96

約数和(自身を含む): 3448811520

約数和(自身を除く): 1809031588

約数列:

[1, 2, 4, 7, 14, 28, 53, 71, 79, 106, 142, 158, 197, 212, 284, 316, 371, 394, 497, 553, 742, 788, 994, 1106, 1379, 1484, 1988, 2212, 2758, 3763, 4187, 5516, 5609, 7526, 8374, 10441, 11218, 13987, 15052, 15563, 16748, 20882, 22436, 26341, 27974, 29309, 31126, 39263, 41764, 52682, 55948, 58618, 62252, 73087, 78526, 97909, 105364, 108941, 117236, 146174, 157052, 195818, 217882, 292348, 297277, 391636, 435764, 594554, 741311, 824839, 1104973, 1189108, 1482622, 1649678, 2080939, 2209946, 2965244, 3299356, 4161878, 4419892, 5189177, 5773873, 7734811, 8323756, 10378354, 11547746, 15469622, 20756708, 23095492, 30939244, 58563569, 117127138, 234254276, 409944983, 819889966, 1639779932]

約数ペア:

[(1, 1639779932), (2, 819889966), (4, 409944983), (7, 234254276), (14, 117127138), (28, 58563569), (53, 30939244), (71, 23095492), (79, 20756708), (106, 15469622), (142, 11547746), (158, 10378354), (197, 8323756), (212, 7734811), (284, 5773873), (316, 5189177), (371, 4419892), (394, 4161878), (497, 3299356), (553, 2965244), (742, 2209946), (788, 2080939), (994, 1649678), (1106, 1482622), (1379, 1189108), (1484, 1104973), (1988, 824839), (2212, 741311), (2758, 594554), (3763, 435764), (4187, 391636), (5516, 297277), (5609, 292348), (7526, 217882), (8374, 195818), (10441, 157052), (11218, 146174), (13987, 117236), (15052, 108941), (15563, 105364), (16748, 97909), (20882, 78526), (22436, 73087), (26341, 62252), (27974, 58618), (29309, 55948), (31126, 52682), (39263, 41764)]